On March 21, 2022, Center for Educational Vocational Development And the Department of Early Childhood Education has organized online teaching activities with Ningbo Early Childhood Education College in March. The Center for Educational Professional Development has invited speakers from the college to educate students in the ECC2306 course. Integrated knowledge for children under 3 years old, for students in the field of early childhood education, 2nd year, which is an online teaching management by a lecturer, Professor Yun Ling Si, to educate students on the topic of emergency management of trachea. foreign body in infants in the aforementioned course